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Get Answers to all your Questions
5.8 Why is adsorption always exothermic ?
Answers (1)
Adsorption is always exothermic because-
- During adsorption, the residual forces of the surface always decrease. As a result, there is a decrease in surface energy, which emits as a heat.
Of adsorption is always negative. The freedom of movement of adsorbate (gas) molecule becomes restricted when the adsorbent adsorbs the adsorbate(gas). As a result, the entropy decreases (
is negative). For the process to be spontaneous
should be negative.
.Since
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